# SDR UIEA2026022300066

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 2026
- Submitted: February 24, 2026
- Operation: Air carrier
- Aircraft: [N865GT](https://openairdocs.org/aircraft/N865GT), registered now
- Make and model: Boeing 747-8F
- Registry model: [Boeing 747-8F](https://openairdocs.org/model/boeing-747-8f) (OpenAirDocs)
- Aircraft serial: 60118
- Aircraft time: 34,572 hours, 6,125 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 972952
- Part serial: MX777888
- Condition: Faulted
- Location: Hydraulic Sys
- Stage of operation: CR
- How discovered: O
- Nature of condition: G, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2026022300066

## Discrepancy

HYD PRESS #4 EICAS MESSAGE HYDRAULIC DEMAND PUMP #4 FAILED IN CRUISE.  REPLACED ENGINE DRIVEN PUMP TO SUPPLY HYDRAULIC PRESSURE. ENG #4 HYD DEMAND PUMP TRANSFER TO DMI 248309 PER MEL 29-11-02-04 CAT C.   R & R HYD SYS 4 DEMAND PUMP IAW AMM 29-22-17. LEAK & OPS CHECK GOOD. THIS CLEARS DMI 248309. PLACARDS REMOVED.

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